Common Blue vs Nilgiri langur

Polyommatus icarus compared with Semnopithecus johnii

Key Differences

• Common Blue is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Common Blue	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Primates (Primates)
Family	Lycaenidae	Cercopithecidae (Old World Monkeys)
Genus	Polyommatus	Semnopithecus
Species	Polyommatus icarus	Semnopithecus johnii

Evolutionary Relationship

Common Blue and Nilgiri langur share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Common Blue

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Common Blue	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Blue

Habitat

Inhabits Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Cyprus), Europe (40 countries), and North America (United States).

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Common Blue

Common Blue (Polyommatus icarus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.